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builder for HashMap
...ctor, for every constructor in the class. The lifecycle is not very well-known and so I avoid this idiom.
– Joe Coder
May 10 '12 at 0:23
14
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How can I implement a tree in Python?
... Not complete , may need some more scenarion that we can handle
Now it is handling only leaf.
"""
# Check if tree is empty.
if node is None:
return None
# searching key into BST.
if data < node.data:
node.left = self.del...
Multiple left-hand assignment with JavaScript
...
Just to note: if you know you want to do this kind of thing ahead of time, you could still break up the definition from the assignment. So: var v1, v2, v3; Then later on: v1 = v2 = v3 = 6; They'll still be in local scope. Since David mentioned ale...
MISCONF Redis is configured to save RDB snapshots
...rogress is already 0 and rdb_last_bgsave_status is ok. After that, you can now start backing up the generated rdb file somewhere safe.
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How do I get time of a Python program's execution?
... a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
3...
How to jump to a particular line in a huge text file?
...n't jump ahead without reading in the file at least once, since you don't know where the line breaks are. You could do something like:
# Read in the file once and build a list of line offsets
line_offset = []
offset = 0
for line in file:
line_offset.append(offset)
offset += len(line)
file....
Find object in list that has attribute equal to some value (that meets any condition)
...t None stuff or whatever at this point, if you don't like exceptions.
I know that generally in python list comprehensions are preferred or at least
that is what I read, but I don't see the issue to be honest. Of course Python is not an FP language, but Map / Reduce / Filter are perfectly readable ...
Comparing two NumPy arrays for equality, element-wise
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Now use np.array_equal. From documentation:
np.array_equal([1, 2], [1, 2])
True
np.array_equal(np.array([1, 2]), np.array([1, 2]))
True
np.array_equal([1, 2], [1, 2, 3])
False
np.array_equal([1, 2], [1, 4])
False
...
Setting Objects to Null/Nothing after use in .NET
... someType = new SomeType();
someType.DoSomething();
// someType is now eligible for garbage collection
// ... rest of method not using 'someType' ...
}
will allow the object referred by someType to be GC'd after the call to "DoSomething" but
void foo()
{
var someType = n...
What is the syntax for an inner join in LINQ to SQL?
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thank you, from now on i will use sensible names as best practise which makes sense in linq , instead of from c or from t1
– shaijut
Jan 14 '16 at 7:26
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